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accelerator mass spectrometer

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accelerator mass spectrometer [ak¦sel·ə‚rād·ər ¦mas spek′träm·əd·ər]
(spectroscopy)
A combination of a mass spectrometer and an accelerator that can be used to measure the natural abundances of very rare radioactive isotopes.


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Reddy and colleagues worked with WHOI chemist Bill Jenkins and colleagues at the National Ocean Sciences Accelerator Mass Spectrometer facility at WHOI to develop an extremely precise radiocarbon-based calibration method for determining if the balance of biofuels and petroleum is correct.
The amount of 14C-labeled vitamin B-12 in the sample is measured with an accelerator mass spectrometer, which can count single atoms of 14C.
The dates come from devices called accelerator mass spectrometers, which provide accurate age estimates from small samples.
 
 
 
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